TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 11 of 1337
TM 9-2320-260-20
I
USING YOUR MANUAL: AN EXAMPLE
I
TASK:
The operator of a M809 series vehicle,
model number M813A1, has complained of exces-
sive exhaust noise and exhaust fumes entering the
cab of his vehicle. The vehicle has been assigned to
you for repair.
TROUBLESHOOTING STEPS:
1.
2.
3.
4.
5.
6.
7.
8.
9.
vi
Look at the cover of this manual. You’ll see
chapter/section titles listed from top to bottom
on the right-hand side.
Look at the right-edge of the manual. On
some of the pages you’ll see edge indicators
(black bars) that are alined with the chapter/
section bars on the cover. These are the
locations of the chapters/sections in the text.
Look for “SERVICE AND TROUBLESHOOT-
ING INSTRUCTIONS” in the chapter list on
the cover. This is where the troubleshooting
information is located.
Turn to those pages with the edge indicator
matching the black bar for service and
troubleshooting instructions. Page numbers
are also listed next to chapter/section titles.
Chapter 2 is divided into seven sections:
●
●
●
●
●
●
●
Section I - Repair Parts, Special Tools,
TMDE, and Support Equipment
Section II - Service Upon Receipt
Section III - Preventive Maintenance
Checks and Services (PMCS)
Section IV - Mechanical Systems
Troubleshooting
Section V - Compressed Air and
Air-Hydraulic Brake System
Troubleshooting
Section VI - Electrical Systems
Troubleshooting
Section VII - STE/ICE Troubleshooting
Turn to section IV, “MECHANICAL
SYSTEMS TROUBLESHOOTING”
(page 2-22). This troubleshooting section
is system-oriented and is broken down into
23 major vehicle systems.
One of the first pages of this section is the
“MECHANICAL TROUBLESHOOTING
SYMPTOM INDEX” (turn to page 2-23).
Look down the list until you find “EXHAUST
SYSTEM.” Beneath that heading you will find
the symptoms noted by the vehicle operator:
“Excessive exhaust noise” and “Exhaust
fumes in cab.”
Turn to the page indicated: 2-30.
Back to Top
